/*图片轮播*/
#body1{
    height: 400px;
    width: 100%;
    position: relative;
}
#picture{
    width: 95%;
    height: 400px;
    position: relative;
    margin: auto;
    left: 0;
    right: 0;
    overflow: hidden;
}
#carousel{
    width: 10000px;
    position: absolute;
    top: 0px;
    left: 0px;
    transition: left 1s;
}
#carousel li{
    float: left;
}
#chooseul{
    width: 150px;
    position: relative;
    margin: 0 auto;
    bottom: -375px;
}
#chooseul li{
    width: 15px;
    height: 15px;
    float: left;
    position: relative;
    margin-left: 20px;
    border-radius: 15px;
    border: 1px solid white;
}
.btr{
    width: 15px;
    height: 15px;
    position: relative;

    cursor: pointer;
    border-radius: 15px;
    background-color: transparent;
}